Globular clusters as gamma ray sources

Details Globular clusters as gamma ray sources Globular clusters as gamma ray sources

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992japa...13..287b&link_type=abstract

Journal of Astrophysics and Astronomy (ISSN 0250-6335), vol. 13, no. 4, p. 287-291.

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Gamma Ray Astronomy, Globular Clusters, Pulsars, Computational Astrophysics, Stellar Magnetic Fields, Stellar Models

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There are indications now that globular clusters contain a large number of low magnetic field millisecond pulsars. Since millisecond pulsars are expected to emit gamma-rays due to curvature radiation, it is likely that globular clusters will themselves be sources of gamma-rays bright enough to be detectable by present day instruments. Using the expression derived by Scharlemann et al. (1978) of the energy acquired by the electrons moving along the open magnetic field lines of the pulsars we have calculated the likely luminosity of gamma-rays from globular clusters. We discuss our results in the light of the calculations reported in the literature based on some of the other models.

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